Features:*High-quality Materials: This posture corrector is made of high quality material, breathable and comfortable, sturdy and durable. You can easily wear it under your shirts while working.*Posture Corrector: Posture Corrector straightens your shoulders and back quickly. It can quickly stop slouching and hunching over when sitting at a table.*Pain relief: Posture correctors can relieve chronic back pain. Adjusting your posture can relieve pain in your back, neck, shoulders and collarbone by relieving pressure in key areas.*Easy to put on and take off: Our adjustables upper back brace ensures a snug and comfortable fit. Just like putting on and adjusting a backpack, you can easily put on and adjust the straps to fit your body.*Angle sensing: Intelligent vibration reminder. If the hunchback bends more than 25, the corrector will immediately vibrate to remind you, allowing you to raises your head and chest in time.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: high-strength nylon belt/PC+PPCharging interface: USB interfaceCharging time: 2 hoursBattery capacity: 150 mAhRated power: 0.4WCharging voltage: 5VControl mode: button control